Product Description; Overview Of The Alpha Pro Charge Regulator - Mastervolt ALPHA PRO User And Installation Manual

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Alpha Pro charge regulator – User and Installation Manual

3 PRODUCT DESCRIPTION

This user manual describes the installation and operation of the Alpha Pro charge regulator. Together with the
Mastervolt alternators, this charging regulator is designed to provide a high output power at low RPM, which is
typical for marine applications. It consists of the following main components (See Figure 2):
Figure 2: Basic charging system consisting of an alternator and the Alpha Pro charge regulator
3.1

OVERVIEW OF THE ALPHA PRO CHARGE REGULATOR

Figure 3: Overview of the Alpha Pro charge regulator (front view)
4. Brown – Reg on (excitation/field wire and voltage measurement)
3. Yellow – D+ (warning lamp)
2. White – W (RPM measurement)
1. not used
Temperature
sensor
Reg on
D+
W
Figure 4: Connections of the Alpha Pro charge regulator (bottom view)
1 Mastervolt alternator
2 Alpha Pro charge regulator
3 Battery fuses
4 Batteries (not included)
5 Battery temperature sensor
Wiring loom
Battery
1 Charging mode selector switch
2 Yellow LED to indicate Bulk phase
3 Yellow LED to indicate Absorption phase
4 Yellow LED to indicate Float phase
5 Green LED to indicate MasterBus traffic
MasterBus connection (2x)
Field coil
Field coil